body {
  position: relative;
  background-color: black;

  max-width: 1500px;
  margin: auto;

  color: whitesmoke;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 40px;
}
.bg {
  position: fixed;
  width: 200%;
  height: 200%;
  top: -300px;
  left: -600px;

  /* overflow: hidden; */
  animation: spin 1000s linear infinite;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
    transform-origin: center;
  }
  100% {
    transform: rotate(-360deg);
    transform-origin: center;
  }
}
.container {
  display: grid;
  grid-template-areas: "logo";
  justify-items: center;
  align-items: center;
}
.logo {
  grid-area: logo;
  position: fixed;
  top: 100px;
  width: 100%;
}
img {
  width: 100%;
}